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NIST-traceable calibration solution.由上海植茂提供，作為HACH的合作伙伴，還提供COD試劑21258-15、COD試劑21...

Conductivity Reference Solution. Specify value when ordering, value is customize...

Replacement electrolyte for 5400-series DO sensors.由上海植茂提供，作為HACH的合作伙伴，還提供COD試劑2...

Chem.Proprietary Gel Powder for pHD sc and pHD (2 grams; to gel standard cell so...

For determination of ferrous iron by the 1,10-phenanthroline method. Hach method...

For determination of trace levels of iron by the Ferrozine method. Hach method 8...

For determination of trace levels of iron by the Ferrozine method. Hach method 8...

For determination of iron in cooling waters containing molybdate-based treatment...

For determination of iron in cooling waters containing molybdate-based treatment...

For Iron determination by the 1,10 phenanthroline method, using FerroVer? Iron R...

For Iron determination by the 1,10 phenanthroline method, using FerroVer? Iron R...

3-(2-Pyridyl)-5,6-bis(4-phenylsulfonic acid)-1,2,4-triazine, monosodium salt, mo...

For determination of Iron by the 1, 10 phenanthroline method. USEPA approved met...

For determination of Iron by the 1, 10 phenanthroline method. USEPA approved met...

For determination of Zinc by the ZincoVer?5 Zincon Method. USEPA approved for wa...

Reagent set for colorimetric silver method using Cadion 2B indicator. Hach Metho...

For Aluminum determination by the Eriochrome Cyanine R Method. Hach method 8326....

For Aluminum determination by the Eriochrome Cyanine R Method. Hach method 8326....

For determination of Zinc by the ZincoVer? Zincon method. USEPA approved for was...

For determination of Manganese by the Periodate Oxidation Method. USEPA accepted...